Refrigerate (4)
'refrigerate' is the definition.
(I know that refrigerate is a more specific form of cool)
This is all the clue.
(Other definitions for cool that I've seen before include "At lowish temperature" , "Fashionable (but don't lose yours!)" , "Casual and confident - not heated" , "Unfriendly; excellent" , "Hip - not warm" .)
'refrigerate' is the definition.
(I know that refrigerate is a more specific form of chill)
This is the entire clue.
(Other definitions for chill that I've seen before include "Slight cold" , "Preserve by cold" , "Cool, coolness" , "nip" , "Refrigerate" .)